Elm

:

or semi-evergreen trees, up to 25m , chest diameter 1m ; Bark gray-brown, irregularly thin scale-like peeling. The leaves are small and thick, long oval to egg-shaped oval, long 2-5cm , the first tip, the base is skewed, the edge is single-sawtooth (the leaf of the budding branch often has heavy jagged teeth). Flower clusters of leaves. The fins are oval-shaped to egg-shaped and

0


.

8-1cm


seeds are located in the middle of the fins and are hairless. Flowering

8-9


, and

10-11


in October.


Distribution:

: the main production of the Yangtze River basin and its southern regions, north to Shandong, Henan, Shanxi, Shaanxi and other provinces. Vertical distribution is generally below

500


above sea level. Japan and North Korea are also produced.


Habits:

, slightly shade-resistant, warm climate, but also -20 degrees Celsiusshort-term low temperature; Waugh, moist soil, but also has a certain drought-resistant barren capacity , in acidic, neutral and lime soil hillsides, plains and streams can grow. The growth rate is medium and the life is longer. Deep root, strong germination. Strong resistance to toxic gases such as sulfur dioxide and soot.


Viewing characteristics and garden use:

tree-shaped, elegant posture, bark peeling, fine branches and leaves, with a high ornamental value. It is suitable to plant alone, in the garden, or with pavilions and mountain stones. Planting a court shade tree, a road tree or making a bonsai has good viewing effect. Due to strong resistance, it can also be used as a green tree species in the mining area of the plant.